Ultramarathons in Japan
UltraRaces tracks 17 ultra races in Japan — trail ultras, backyard ultras, timed and stage races — each with dates, distance and a link to the official website. See them all on the interactive map.
Upcoming races (12)
- 13th World Cultural Heritage "Fuji" Foot RaceAug 21 – Aug 22, 2026 · Yamanakako · 101 km
- 7th Mine Akiyoshidai Geopark Ultra MarathonOct 4, 2026 · Mine City · 100 km
- 6th Lake Biwa 100Oct 9 – Oct 11, 2026 · Komono · 169 km
- 4th Aizu Yanaizu Akabeko Marathon - 12hOct 11 – Oct 12, 2026 · Kawanuma · 12 h
- 4th Aizu Yanaizu Akabeko Marathon - 24hOct 11 – Oct 12, 2026 · Yanaizu · 24 h
- 33. Ultramarathon Okumusashi QuintetOct 18, 2026 · Moroyama · 70 km
- 4th Salt Road TrailOct 31 – Nov 1, 2026 · Nagano · 79 km
- 8th Saioto ColorsNov 18, 2026 · Hiroshima Pref. · 52 km
- 20th Nagasaki Tachibana Gulf Coast Super Maranic 276Nov 20 – Nov 22, 2026 · Nagasaki · 276 km
- 20th Nagasaki Tachibana Gulf Coast Super Maranic 320Nov 21 – Nov 22, 2026 · Nagasaki · 320 km
- 20th Nagasaki Tachibana Gulf Coast Super Maranic 103Nov 22, 2026 · Nagasaki · 103 km
- 3rd World Heritage Pilgrimage Triangle 225kmMay 2 – May 5, 2027 · Nara Pref. · 225 km
Past races (5)
- 5th Deep Japan Ultra 100 - 80 kmJun 26 – Jun 27, 2026 · Niigata Pref. · 80 km
- 5th Deep Japan Ultra 100 - 165 kmJun 26 – Jun 28, 2026 · Niigata Pref. · 165 km
- 5th Deep Japan Ultra 100 - 130 kmJun 26 – Jun 28, 2026 · Niigata Pref. · 130 km
- 7th Nikko Sennin Concentric Highway Journey RunJun 6 – Jun 7, 2026 · Hachioji City · 159 km
- 3rd Miyakojima Ultra 100 MilesJun 6 – Jun 7, 2026 · Miyakojima City · 161 km